1983 Yamaha 30EN Outboards Service Manual, Page 53Get this manual
3 Remove one of the starter stay set bolts, and remove the two ground leadsDisconnect the white lead connecting the COl unit to the wire harness
1 White lead
2 Black lead
Bring the rectifier leads out of the holder and disconnect them at the joints
NOTE: For the removal of the starter motor, refer to page 4-5
Manual starter model Remove the stop switch white and black lead wires from COl unit lead wire (white) and COl unit bracket (black)